[ֻå] ݵü #1
å, ݵü #1
ݵü ܾ ? 츮 ü ֽĽ ðѾ 20% ϴ ݵü ̰ 10% ϴ ݵü̴.
Zڿ 5Ⱓ 4 Ѵ ڱ ι ϰڴٰ , ̴ Ⱘ ݵü ݵü̴. ǰ Ͽ پ Ư Ÿ ݵü ݵü ݵü 1/3 ϸ鼭 Ʈ带 ִ.
÷ 忡 ̴ ؼ Ϲ PC ũ ٸ ƴϱ ġ ü ϳ ǰ ó ̰ ŭ 帧 д ϴµ ߿ ȴ. ܼ ` ݵü ̷ ̴' ġ ƴ϶ Ʈ 帧 ƴ ̷ ܼϸ鼭 Ŵ ָ ̴.
Ʈ û ۾ ɾ ȯ ̷ ǻ » Ư ̷ ̸ Ƹ ̴. (μ ۾ Embedded Chip ߵǾ CPU Ϳ Ұϴ.) RAM ROM ̰ ɼ ζ װ, / RAM DRAM ε ġ ϰ ִ ݵü ٽ̴.
DRAM D Dynamic ǹϴ , DRAM е ϴ 밡 ϱ ÷ Ű ۾(Dynamic) Ѵ. ǻͿ DRAM ġ ۾ ϱ õ å . ϱ⳪ , ū Ϸ ƹ ū å ſ Կ ߵ ưư å ۾ ɷ ÷ִ 翬 ̴. DRAM̶ ü åμ ̴. μ ֺ ν DRAM ߱ ̴.
ִ ݵü Ŀ â, (Gordon Moore) μ 18 辿 þٴ ` Ģ(Moore's Law)' ߴ. Ģ IT ϴ ̱ Ű(New Economy) ̷ Ǿ Դ.
10 μ Ŭ ǵ(Clock Speed-1ʿ μ డ ) Ģ Դ. , DRAM ̾. ǻ ̾߱ ϴ ܾ ߿, 뿪(Bandwidth) ̶ ִ. ǻʹ CPU Ÿ ֺ Ӿ µ 뿪 帧 ȰѰ ǹѴ.
̴ 3D ī尡 ʴ 1Ⱑ Ʈ Ѵ ɾ ÷ CPU 2GHz̻ ӵ Ѵ. ص ַ ǰ̾ PC133 SDRAM( ) 133Mhz ̴. 뿪 ǻ ǿܷ ɰ ÷ ߸ ִ ֹ νĵǰ ִ.
2000 忡 DRAM ִ ó 36.8% ϰ ִ ũž ǻĿ. 2005 ġ 20% Һϰ ü ũ ȮǴ ̰ ִ. ȮǴ DRAM 忡, þ ̿ ο 並 ȹϴ Ű ٷ ÷ DRAM ø ΰ ִ.
DDR, Rambus : DRAM ô
Ī ̸ ־, ݵü Ű 21 ȭǾ. DDR(Double Date Rate) Rambus װ̴.
DDR DRAM ״ ϴ ļ ° ϰ ÿ ȣ ϴ äϿ 뿪 ״( ø ϱ ).
RDRAM̶ θ Rambus DRAM ٸ ´. Ϲ DRAM ݵü ķ Ǿ ϳ 뿪 ̷ RDRAM ݵü Ʈѷ ް ȴ. DRAM Ľ̶ 뿪 ø Ʈѷ ȸ Ȯؾ ϴ Ͱ RDRAM ȸ ش μ ȸ Ҹ ٿ. ġ ̴ Ͽ.
, DDR Rambus 쿭 ־. DRAM ִ ɰ ¥ DDR ü ŽŲ RDRAM ɼ ־ Ź ̴.
Ҽ۱ ̾ RDRAM ִ ʱ ܰ迡 Ǽ ϴ ̿( ǥ RDRAM ϴ Ĩ¿ ߴ ߰ߵǾ 뷮 ݵǴ ° ߴ. ڰ RDRAM ü ̹ ũ ѼյǾ DDR AMD ֽ μ Ȯ븦 ߱ϰ Ǿ.) DRAM ֵ DDR ִ ϴ.
ݵü 50% ϰ ִ ݵü ü DDR RDRAM ̼ DDR е ̴. DDR RDRAM Ÿ VHS Ҵ Ÿ ǥ . Ʈϰ ȭ鿡 ߴ Ҵ Ÿ VHS й Ͱ ݵü Ǵ ϴ.
ǥذ DDR δ ε ȴ. ֱ DVD λ ó DDR RDRAM ο μ ο RDRAM Ѵ.
To be continued...
ݵü 2ȸ
- ο ݵü, ÷
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